五年级上学期小数乘除法练习题70道.docx

《五年级上学期小数乘除法练习题70道.docx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、-----一、直接写出得数。乘法：5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.94.8×2.95.6×4.35×2.441.66×6.19.42×0.0025.6×6.58.9×2.45.5×559.77×0.0257×5.71.38×5.18.78×832.6×619.46×2.850.059×0.24.28×1.717.8×6.41.5×4.92.5×0.85.55×5.22.22×3.337.68×8536.2×0.356.8×8除法：85.44÷1642.84÷7101.7÷967.5÷

2、15230.4÷621.24÷366.21÷0.03210÷1.40.736÷2343.5÷123.521÷0.0739.6÷0.2451.3÷0.2791.2÷3.80.756÷0.180.66÷0.311.97÷1.569.6÷2.938.4÷0.815÷0.06二、（循环小数的用简便方法，除不尽保留2位小数）：8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.232÷422.41÷0.71.7÷0.0314.36÷2.78.33÷6.21.55÷3.910.1÷3.3=三、用竖式计算。0.396÷1.2=0.756÷

3、0.36=15.6×13=0.18×15=--------1--------0.025×14=3.06×36=90.75÷3.33.68×0.250.04×0.12＝3.84×2.6≈5.76×3＝（保留一位小数）7.15×22＝16.9÷0.133.7×0.01613.76×0.8=5.2×0.68.4×1.30.042×0.540.76×0.324.8×0.25＝6.4×0.54.48×0.45.25×0.535.4×4.20.25×0.0462.52×3.41.08×250.12×0.5×0.16＝0.125×1.4≈（保留两位小数）3

4、.25×9.04=（用除法验算）--------2--------2.5÷0.7=（保留三位小数）10.75÷12.5=（用乘法验算）3、脱式计算（能简算的要简算）2.5×7.1×416.12×99＋16.125.2×0.9＋0.964－2.64×0.57.28×99+7.284.3×50×0.28.9×1.1×4.72.7×5.4×3.926×15.7＋15.7×24(2.275＋0.625)×0.283.94+34.3×0.21.2×(9.6÷2.4)÷4.83.6×9.85-5.468.05×3.4+7.66.58×4.5×0.92.8

5、×0.5+1.5832＋4.9－0.94.8－4.8×0.57.09×10.8－0.8×7.094.85+0.351÷.4(1.25－0.125)×84.8×100.156.5×99＋56.50.68÷（5.2-3.5）×1.25--------3--------8.7×17.4-8.77.×412.5×0.4×2.5×80.87×3.16+4.649.5×10140.5÷0.81×0.184.4×0.8－3.4×0.82.5×(3.8×0.04)2.5×1.25×0.324.8×（15÷2.4）6.81+6.81×990.25×185×40

6、(9.37×4)×2．52.37×6.3+2.37×3.73.8×10.17.69×1010.25×185×400.25×39+0.250.125×7246×0.33+54×0.33(8×5.27)×1.256.81+6.81×996.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.29.5×9913.5×0.9812.5×8.8--------4--------专业资料可修改可编辑范文范例可行性研究报告指导范文---